Hooks for instrumentation

pkg/analysis_server/test/domain_server_test.dart

Index: pkg/analysis_server/test/domain_server_test.dart
diff --git a/pkg/analysis_server/test/domain_server_test.dart b/pkg/analysis_server/test/domain_server_test.dart
index 4456e376c00d6d27933689114298421d6a12bc24..1156b3fd7e864447b9e6f0144284843358a3fa02 100644
--- a/pkg/analysis_server/test/domain_server_test.dart
+++ b/pkg/analysis_server/test/domain_server_test.dart
@@ -9,6 +9,7 @@ import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/domain_server.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
+import 'package:analyzer/instrumentation/instrumentation.dart';
 import 'package:unittest/unittest.dart';
 
 import 'mock_sdk.dart';
@@ -27,7 +28,8 @@ main() {
         new MockPackageMapProvider(),
         null,
         new AnalysisServerOptions(),
-        new MockSdk());
+        new MockSdk(),
+        new NullInstrumentationServer());
     handler = new ServerDomainHandler(server);
   });